gcc/testsuite/gcc.target/riscv/attribute-7.c

/* { dg-do compile } */
/* { dg-options "-O -mriscv-attribute -march=rv32e1p9 -mabi=ilp32e" } */
int foo()
{
}
/* { dg-final { scan-assembler ".attribute arch, \"rv32e1p9\"" } } */